The register
The register lists NAB Services (UK) Ltd in Peterborough as a licensed sponsor on Skilled Worker, an entry that goes back to at least 2026. Its rating on the register is Worker (A rating).
At Companies House the business is Nab Services (UK) Limited (company number 07859938), a private limited company incorporated in 2011, 14 years ago. Registered office: 36 Tyndall Court, Commerce Road Lynch Wood, Peterborough, PE2 6LR, PE2 6LR. By its SIC codes the business is in professional and technical services.
Holding a licence is the expensive, slow part done. For NAB Services (UK) Ltd the question each time is only whether the role and the pay fit the current rules, and that is checked per vacancy.